Improved trace-buckle



'A dualisme tout ama,

WILLIAM LA ROBINsoN, or eIAND RAPIDS, MICHIGAN, AssIcNoR To o.

` l I3; NORTH a oo.

`Letters Patent Nc. 97,704, dated .December 7, 1869..

IMPROVED TRACE-BUCKLE.

` The Schedule referred to in these Letters Patent and making part cf the same.

T0 a Whom t ma!! Cowemf F F are the two sides of the' clamp, connected by Be it known that I, WILLIAM A. ROBINsom'of a cross-bar, Gr, in front, to which the strap H is at- Grand Rapids, in the county of Kent,and StateI of tached, the sides F F connect-ed at the other end y Michigan, have inventeda new Improvement in Traceby a bar, I, and the sides curved'or formed substan- Buckle; and I do hereby declare -the following, when tially 'as seen in tig. 1, so as to pass under the truntaken in connect-ion` with the accompanying drawings,` nions a a, the bar I lying above the trace, and the bar and the letters of reference marked thereon, to be a G below, and so that, when the trace is in position", full, clear, and exact description of the same, and the clamp may be thrown up, as denoted in broken which said drawings constitutey part of this specicalilies, lig. 2.

tion, and represent, 1in- The bar I is perforated, as seen in fig. 3, so as to Figure 1, a side IView; i l r clamp down over the tongue. l Figure 2, a longitudinal section;. loadjust the trace, draw the trace and .frame forg Figure 3, atop `View; A A ward toward thc strap H, which movementforces the l i Figure `4f`,'a11i1nderside view; and in4 l clamp-up, as denotedin broken lines, g. 2, then raise Figures 5 and 6, the two parts. detached. `the trace from the tonguev D, and replace it in the de- 1 This inventionfrelates to an improvement in that sii-ed position, then draw the trace back until the Vclass of buckles known as trace-buckles. but alike 4clamp drops upon the trace, as denoted in iig. 1. applicable to other buckles; and v I claim, as my invention It consists in a'frame, `upon which a vertical tongue In combination with the buckle frame A, constructed is formed, `to pass through the trace, and a clamp, atwith trunnions (l, a thereon, and the cross-bar B, the 'fached` to the hamcs-stra working under trunnions, said cross-bar having the' tongue D formed thereon, formed, on 'vthe buckle-frame,.the clainp constructed so the clamp, consisting Iof the bars I and G, with the l ias to slide and act in combination with the said trun-I two sides F F, the said two sides curved, and arranged nions, as a cam, to press down on the trace arldhold as described, so as to operate under the trnnnions,

it over thevtongue.` and clamp the strap between the bars I and B, sub- A A are the two' sides of the frame, with acrossstantially in the manner herein set forth. bar, B, bent down, so as to pass beneath `the trace, WIM. A; ROBINSON. Iand with 'aconnectiom O, to pass over the' trace. f

Thetwo sides terminate njtruunions a, a, forward `I/Vitnesses: l of the bar B, and onjthe bar B, a tongue,D, is formed, 1 A. J. TIBBITS,

l vertically, as seen in `gs. 2 and 5, so as to pass through J. EL SHUIIWAY.

a. perforation in the trace E, as seen in g. 2. 

